Home / 178,516,767.95-267,652,906.13-90,908,700.65

Finding the Fourth Proportional to 178,516,767.95, 267,652,906.13 and 90,908,700.65

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Solution

The fourth proportional to 178,516,767.95, 267,652,906.13 and 90,908,700.65 is: 136,300,797.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,516,767.95 : 267,652,906.13 = 90,908,700.65 : x
  2. Step 2: Convert to fraction form
    178,516,767.95/267,652,906.13 = 90,908,700.65/x
  3. Step 3: Cross multiply
    178,516,767.95x = 267,652,906.13 × 90,908,700.65
  4. Step 4: Simplify right side
    178,516,767.95x = 24,331,977,922,872,972
  5. Step 5: Solve for x
    x = 24,331,977,922,872,972/178,516,767.95
  6. Step 6: Final answer
    x = 136,300,797.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.